Biodiversity and Conservation Issues
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Questions and Answers

Observe the graph and select the correct option.

  • Line B represents, log C = log A + Z log S
  • Line B represents, log S = log Z + C log A
  • Line A represents, S = CA Z (correct)
  • Line A represents, S = CA²
  • Select odd one out on the basis of Ex situ conservation.

  • Cryopreservation
  • Sacred groves
  • Zoological park (correct)
  • Tissue culture
  • Which of the following factors will favor species diversity?

  • Glaciation
  • Invasive species (correct)
  • Forest canopy
  • Co-extinction
  • The term 'terror of Bengal' is used for:

    <p>Water hyacinth</p> Signup and view all the answers

    CFC are air polluting agents which are produced by:

    <p>Jet planes</p> Signup and view all the answers

    Give two examples of biodegradable materials released from the sugar industry.

    <p>Molasses, Bagasse</p> Signup and view all the answers

    Name any two modern techniques of protection of endangered species.

    <p>Tissue culture, In vitro fertilization of eggs, Cryopreservation</p> Signup and view all the answers

    Where was the ozone hole discovered?

    <p>Antarctica</p> Signup and view all the answers

    Give one example of a natural pollutant.

    <p>Volcanic ash</p> Signup and view all the answers

    What do you understand by the EW category of living beings?

    <p>A species which becomes extinct in the wild (EW) is called EW category, their members are seen only in captivity or as a naturalized population outside its historic range due to massive habitat loss.</p> Signup and view all the answers

    Why is Dandiya raas not allowed after 10.00 pm?

    <p>Dandiya raas involves blaring loudspeakers which cause noise pollution. Noise after 10 pm is not allowed as many people may be resting.</p> Signup and view all the answers

    Justify why tropical regions exhibit species richness as compared to polar regions.

    <p>Tropical regions have thicker vegetation and abundant food due to sunlight and humidity, while polar regions are covered in snow with little vegetation.</p> Signup and view all the answers

    How does genetic diversity affect the sustenance of a species?

    <p>Genetic diversity develops the capability of the species to adapt to environmental changes, allowing for better endurance against environmental stress.</p> Signup and view all the answers

    Study Notes

    Biodiversity, Conservation and Environmental Issues

    • Species richness is higher in tropical regions than in polar regions due to greater diversity of vegetation and food resources
    • There is a steady decline in species richness towards the poles, with higher diversity at lower latitudes
    • Genetic diversity is crucial for sustenance of a species as it helps them adapt to changing environmental conditions
    • Genetic diversity allows the population to endure environmental stressors including pollution
    • Species richness is the number of species in a given area
    • The formula S=CA^Z is used to calculate species richness
    • Line A represents S = CA^Z
    • Line B represents log S = log Z + C log A
    • Modern techniques for protection of endangered species include:
      • Tissue culture
      • In vitro fertilization of eggs
      • Cryopreservation
    • Ex-situ conservation is the conservation of a species outside their natural habitat
    • The ozone hole was discovered in Antarctica
    • Volcanic ash is a natural pollutant
    • The EW category of living being refers to a species that is extinct in the wild, found only in captivity or as a naturalized population outside its historic range
    • Water hyacinth, known as the "terror of Bengal", is an invasive species that disrupts native ecosystems
    • CFCs are air pollutants produced by jet planes
    • Dandiya Raas, a traditional dance form, is restricted after 10.00 pm due to noise pollution from loudspeakers
    • Noise pollution is defined as undesirable loud sound, which can be hazardous to human health
    • The Air (Prevention and Control of Pollution) Act 1981, Amendment 1987, includes noise as an air pollutant
    • Biodegradable materials released from the sugar industry include molasses and bagasse

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    Description

    This quiz covers essential concepts related to biodiversity, including species richness and the significance of genetic diversity for species survival. It also explores modern conservation techniques, ex-situ conservation practices, and the impact of environmental issues such as the ozone hole. Test your knowledge on these critical environmental topics!

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